In this photo taken with a fisheye lens, pyrotechnics illuminate the sky above the Olympic Stadium during the Closing Ceremony at the 2012 Summer Olympics, Monday, Aug. 13, 2012, in London. (AP Photo/Julio Cortez)

In this photo taken with a fisheye lens, performers pose take photographs of each other during the Closing Ceremony at the 2012 Summer Olympics, Monday, Aug. 13, 2012, in London. (AP Photo/Matt Dunham)